hi dear i downloaded some app from store in win 10 and now i want to install new windows so want to save downloaded soft or game from store, i searched a lot but didnt found anything hope, you can help me thanks
These are already anyway stored on your Windows account and in "My Library". (Shop => My Library - maybe there is some other name, don't know, because I have another language, but this is the first link under Your account picture if You have opened "Shop").
Your apps will show as "owned" in the store and will not cost anything to re-install. Game progress is supposed to be tied to your Microsoft account.